/*
 * Middleware
 * Copyright (C) 2010/11
 * Riccardo Pulvirenti, Giuseppe Ravidà, Andrea Tino
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANDABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see http://www.gnu.org/licenses
 */

/*!
 * File: workflow_exception.hpp
 */

#ifndef _WORKFLOW_EXCEPTION_HPP_
#define _WORKFLOW_EXCEPTION_HPP_

#include <iostream>
#include <string>
#include <exception>

/*!
 * Defines not found exception for a task lookup in the workflow.
 */
namespace middleware {
class WorkflowException : public std::exception {
public:
	/*!
	 * Constructor to create TaskNotFound exception with description.
	 */
	explicit WorkflowException(std::string mssg) throw();
	WorkflowException(const WorkflowException& e) throw();
	/*!
	 * Destructor.
	 */
	~WorkflowException() throw();
	/*!
	 * Message returning for exception. Overriden original.
	 */
	const char* what() const throw();
protected:
	std::string _message;
}; /* WorkflowException */
} /* middleware */

#endif
